Diagnostics and troubleshooting
10.3 Fault codes and corrective actions
Icon
Priority
level
3
3
2
NAMUR status signals
Icon
Priority
level
1
3
4
2
Info icons
Icon
Name
Read only
Data exchange
10.3
Fault codes and corrective actions
10.3.1
Alarm messages
Alarms and system messages support both Siemens standard alarm classes and NAMUR status
signals.
74
Name
Description
Process value error
•
Process value warning
•
Function check
•
•
Name
Description
Failure
•
•
Out of specification
•
•
Maintenance required
•
•
Function check
•
•
Description
•
•
•
Process value has reached an alarm limit
Process value has reached a warning limit
Change of configuration, local operation, or substitute value entered
Output signals are temporarily invalid
Failure
Invalid output signal
Out of specification
Device will still work, but output signals may be invalid
Maintenance request
Measured signal still valid
Function check
Output signal temporarily invalid
Write access disabled
Indicate read only parameters
Device is communicating
Operating Instructions, 05/2022, A5E41425845-AC
SITRANS FST020 IP65 (NEMA 4X)